DR. D. TERRIER ON THE BRAIN OE MONKEYS. 
485 
its reach. Occasionally suddenly puts out its hand, and frequently rubs its nostrils as 
if there were some source of irritation in them. 
It gives complete evidence of retaining hearing. 
2 p.m. Runs away when I approach. Is not quite steady in its movements. Can find 
its way into its cage as before when taken out. Sight continues as formerly. 
2.80 p.m. Drank some water and ate some fruit. Sits on its perch occupied in feeling 
its head and licking its hand. Seems much less timid than before ; does not seek to 
move off its perch when about to be laid hold of, but resists and offers to bite. When 
not disturbed sits in a dreamy sort of state, taking no notice of any thing. 
4 p.m. Found sitting in the same position as when last seen, with its head bent. 
Looks vacantly, and does not seem to mind an attempt to lay hold of it. When seized 
it resisted, and attempted to bite, exhibiting great anger. 
Ate some food offered to it. When removed from the cage it walked about restlessly 
and without seeming to have any purpose. Ran away on being approached, but did 
not as usual make for its cage. 
12 midnight. The animal sits still and is evidently feverish, the head being swollen 
and hands and feet hot. 
April 11th. — 11 a.m. Found asleep in a corner of the cage. When removed it subsides 
into a deep sleep and nearly falls over, but recovers itself suddenly. There is no motor 
paralysis, and sensation is unaffected. 
This state continued during the day, and towards night the animal fell into a state of 
semistupor, and did not seem able to support itself on its legs, sprawling about occa- 
sionally when disturbed. No convulsions were observed. 
April 12th . — The animal was found dead in its cage at 10 a.m. partially rigid, so that 
death must have occurred some hours before. 
Post mortem Examination . — The scalp was cedematous, and there was a considerable 
amount of pus oozing from the wound. The skull was deficient over the region of the 
frontal and occipital lobes. The brain-substance at the occipital openings was adherent 
by adventitious membranes to the under surface of the scalp. The left looked of normal 
colour and not congested. The right was congested, and appeared as if it had received 
a contusion from a fall. 
From the frontal openings there protruded two livid hernise cerebri. On removal of 
the dura mater, a layer of pus was found coating its under surface. This was not 
adherent to the brain-substance, from which it stripped entirely. 
The brain-substance had normal colour and consistence. 
The roof of the orbit was also covered with pus, which extended as a thick layer into 
the sphenoidal fossae, but was easily detachable and of recent formation. 
The base of the brain and cranial nerves were free from signs of inflammation. There 
were traces of inflammation and some degree of suppuration between the longitudinal 
fissure at the occipital region and over the tentorium cerebelli. These were to all 
appearance of older formation than those in the anterior part of the skull. The cere- 
bellum had a normal appearance. 
